Solve x^2 -6x - 13 = 0 by completing the square. Give exact solutions.

A: x = ±√22 (or) x = ±4.69

3 answers

(x - 3)^2 = 22
x - 3 =-+√(22)

3-√(22), 3+√(22)
The way my textbook gives:

x - 3 = -+√(22)

x = app. 7.7

x = app. -1.7
Thank you so much! Can you evaluate my other Algebra 1 posts as well?